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<pre><span class="comment"> /****************************************************************************
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 #include &lt;QtGui&gt;

 #include &quot;locationdialog.h&quot;
 #include &quot;mainwindow.h&quot;
 #include &quot;settingstree.h&quot;

 MainWindow::MainWindow()
 {
     settingsTree = new SettingsTree;
     setCentralWidget(settingsTree);

     locationDialog = 0;

     createActions();
     createMenus();

     autoRefreshAct-&gt;setChecked(true);
     fallbacksAct-&gt;setChecked(true);

     setWindowTitle(tr(&quot;Settings Editor&quot;));
     resize(500, 600);
 }

 void MainWindow::openSettings()
 {
     if (!locationDialog)
         locationDialog = new LocationDialog(this);

     if (locationDialog-&gt;exec()) {
         QSettings *settings = new QSettings(locationDialog-&gt;format(),
                                             locationDialog-&gt;scope(),
                                             locationDialog-&gt;organization(),
                                             locationDialog-&gt;application());
         setSettingsObject(settings);
         fallbacksAct-&gt;setEnabled(true);
     }
 }

 void MainWindow::openIniFile()
 {
     QString fileName = QFileDialog::getOpenFileName(this, tr(&quot;Open INI File&quot;),
                                &quot;&quot;, tr(&quot;INI Files (*.ini *.conf)&quot;));
     if (!fileName.isEmpty()) {
         QSettings *settings = new QSettings(fileName, QSettings::IniFormat);
         setSettingsObject(settings);
         fallbacksAct-&gt;setEnabled(false);
     }
 }

 void MainWindow::openPropertyList()
 {
     QString fileName = QFileDialog::getOpenFileName(this,
                                tr(&quot;Open Property List&quot;),
                                &quot;&quot;, tr(&quot;Property List Files (*.plist)&quot;));
     if (!fileName.isEmpty()) {
         QSettings *settings = new QSettings(fileName, QSettings::NativeFormat);
         setSettingsObject(settings);
         fallbacksAct-&gt;setEnabled(false);
     }
 }

 void MainWindow::openRegistryPath()
 {
     QString path = QInputDialog::getText(this, tr(&quot;Open Registry Path&quot;),
                            tr(&quot;Enter the path in the Windows registry:&quot;),
                            QLineEdit::Normal, &quot;HKEY_CURRENT_USER\\&quot;);
     if (!path.isEmpty()) {
         QSettings *settings = new QSettings(path, QSettings::NativeFormat);
         setSettingsObject(settings);
         fallbacksAct-&gt;setEnabled(false);
     }
 }

 void MainWindow::about()
 {
     QMessageBox::about(this, tr(&quot;About Settings Editor&quot;),
             tr(&quot;The &lt;b&gt;Settings Editor&lt;/b&gt; example shows how to access &quot;
                &quot;application settings using Qt.&quot;));
 }

 void MainWindow::createActions()
 {
     openSettingsAct = new QAction(tr(&quot;&amp;Open Application Settings...&quot;), this);
     openSettingsAct-&gt;setShortcut(tr(&quot;Ctrl+O&quot;));
     connect(openSettingsAct, SIGNAL(triggered()), this, SLOT(openSettings()));

     openIniFileAct = new QAction(tr(&quot;Open I&amp;NI File...&quot;), this);
     openIniFileAct-&gt;setShortcut(tr(&quot;Ctrl+N&quot;));
     connect(openIniFileAct, SIGNAL(triggered()), this, SLOT(openIniFile()));

     openPropertyListAct = new QAction(tr(&quot;Open Mac &amp;Property List...&quot;), this);
     openPropertyListAct-&gt;setShortcut(tr(&quot;Ctrl+P&quot;));
     connect(openPropertyListAct, SIGNAL(triggered()),
             this, SLOT(openPropertyList()));

     openRegistryPathAct = new QAction(tr(&quot;Open Windows &amp;Registry Path...&quot;),
                                       this);
     openRegistryPathAct-&gt;setShortcut(tr(&quot;Ctrl+G&quot;));
     connect(openRegistryPathAct, SIGNAL(triggered()),
             this, SLOT(openRegistryPath()));

     refreshAct = new QAction(tr(&quot;&amp;Refresh&quot;), this);
     refreshAct-&gt;setShortcut(tr(&quot;Ctrl+R&quot;));
     refreshAct-&gt;setEnabled(false);
     connect(refreshAct, SIGNAL(triggered()), settingsTree, SLOT(refresh()));

     exitAct = new QAction(tr(&quot;E&amp;xit&quot;), this);
     exitAct-&gt;setShortcut(tr(&quot;Ctrl+Q&quot;));
     connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));

     autoRefreshAct = new QAction(tr(&quot;&amp;Auto-Refresh&quot;), this);
     autoRefreshAct-&gt;setShortcut(tr(&quot;Ctrl+A&quot;));
     autoRefreshAct-&gt;setCheckable(true);
     autoRefreshAct-&gt;setEnabled(false);
     connect(autoRefreshAct, SIGNAL(triggered(bool)),
             settingsTree, SLOT(setAutoRefresh(bool)));
     connect(autoRefreshAct, SIGNAL(triggered(bool)),
             refreshAct, SLOT(setDisabled(bool)));

     fallbacksAct = new QAction(tr(&quot;&amp;Fallbacks&quot;), this);
     fallbacksAct-&gt;setShortcut(tr(&quot;Ctrl+F&quot;));
     fallbacksAct-&gt;setCheckable(true);
     fallbacksAct-&gt;setEnabled(false);
     connect(fallbacksAct, SIGNAL(triggered(bool)),
             settingsTree, SLOT(setFallbacksEnabled(bool)));

     aboutAct = new QAction(tr(&quot;&amp;About&quot;), this);
     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

     aboutQtAct = new QAction(tr(&quot;About &amp;Qt&quot;), this);
     connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));

 #ifndef Q_WS_MAC
     openPropertyListAct-&gt;setEnabled(false);
 #endif
 #ifndef Q_WS_WIN
     openRegistryPathAct-&gt;setEnabled(false);
 #endif
 }

 void MainWindow::createMenus()
 {
     fileMenu = menuBar()-&gt;addMenu(tr(&quot;&amp;File&quot;));
     fileMenu-&gt;addAction(openSettingsAct);
     fileMenu-&gt;addAction(openIniFileAct);
     fileMenu-&gt;addAction(openPropertyListAct);
     fileMenu-&gt;addAction(openRegistryPathAct);
     fileMenu-&gt;addSeparator();
     fileMenu-&gt;addAction(refreshAct);
     fileMenu-&gt;addSeparator();
     fileMenu-&gt;addAction(exitAct);

     optionsMenu = menuBar()-&gt;addMenu(tr(&quot;&amp;Options&quot;));
     optionsMenu-&gt;addAction(autoRefreshAct);
     optionsMenu-&gt;addAction(fallbacksAct);

     menuBar()-&gt;addSeparator();

     helpMenu = menuBar()-&gt;addMenu(tr(&quot;&amp;Help&quot;));
     helpMenu-&gt;addAction(aboutAct);
     helpMenu-&gt;addAction(aboutQtAct);
 }

 void MainWindow::setSettingsObject(QSettings *settings)
 {
     settings-&gt;setFallbacksEnabled(fallbacksAct-&gt;isChecked());
     settingsTree-&gt;setSettingsObject(settings);

     refreshAct-&gt;setEnabled(true);
     autoRefreshAct-&gt;setEnabled(true);

     QString niceName = settings-&gt;fileName();
     niceName.replace(&quot;\\&quot;, &quot;/&quot;);
     int pos = niceName.lastIndexOf(&quot;/&quot;);
     if (pos != -1)
         niceName.remove(0, pos + 1);

     if (!settings-&gt;isWritable())
         niceName = tr(&quot;%1 (read only)&quot;).arg(niceName);

     setWindowTitle(tr(&quot;%1 - %2&quot;).arg(niceName).arg(tr(&quot;Settings Editor&quot;)));
 }</pre>
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